CVE-2018-10323

The xfs_bmap_extents_to_btree function in fs/xfs/libxfs/xfs_bmap.c in theLinux kernel through 4.16.3 allows local users to cause a denial of service(xfs_bmapi_write NULL pointer dereference) via a crafted xfs image.

Ubuntu-Description

Wen Xu discovered that the XFS filesystem implementation in the Linuxkernel did not properly validate meta-data information. An attacker coulduse this to construct a malicious xfs image that, when mounted, could causea denial of service (system crash).